If you peruse the news, most of the legal experts think the same way.
At the same time, the documents case might fall apart due to willful violations of Big Oranges rights. Mishandling of evidence, chain of custody etc.
Not specific to Trump, but the shennagins you see in the Trump cases occur every day in the justice system, just that the poor schnooks caught in the govts web cant afford the lawyers to fight there way out.